Intense training in oral expression, pronunciation, vocabulary, listening comprehension and fluency. This course is designed for students interested in scientific French, planning to attend Ecole Polytechnique, or enrolled in the NSF REU program. Caltech professors and postdocs intending to spend time in France are also welcome. Discussion materials and guest lectures will focus on technical language to prepare students for their classes in math and science. Taught in French. L 175 can be repeated for credit as content changes every year.